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(1969). Bone-Level Determination In The Lateral Regions Of Edentulous Jaws A New X-Ray Cephalometric Technique With Application Of Oblique 45° Projection And Metallic Implants. Acta Odontologica Scandinavica: Vol. 27, No. 1-2, pp. 55-72.
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Svend Kaaber (1969) studied this question.
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